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atmospheric air短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 大气,大气空气 Argon is produced by an air separation unit ASU through the liquefaction of atmospheric air and separation of the argon by continuous cryogenic distillation. 氩的生产使用空气分离装置 ASU,通过大气的液化和连续低温蒸馏分离出氩。51qiti During the heating it is generally necessary to protect the material from oxidation by atmospheric air, by the use of non- oxidizing gas. 在加热时一般必须使用非氧化气体.以防止粉末被空气氧化。 jukuu Nitrogen is produced at air separation plants either by liquefaction of atmospheric air and separation of the nitrogen by distillation or by adsorption processes. 在空气分离工厂、或者通过空气液化和蒸馏分离出氮,或者通过吸附过程生产氮。51qiti Sulfuer content is an important performance figure of LPG. Without desulfurization, LPG would contaminate atmospheric air, adverse human health and threaten the downstream chemical production. 硫含量是 LPG的一项重要质量指标,含硫 LPG对环境、人体及下游化工生产都有危害。 lib.swpu.edu.cn Warmer atmospheric air means more water vapor, which is itself a greenhouse gas, exacerbating the problem. 逐渐变得温暖的大气层意味着更多的水蒸气,本身就是一种温室气体的水蒸气使得温室效应更加恶化。 yeeyan |